Moving to Python from Perl
Books
There is a book on moving from Python to Perl:
"Perl to Python Migration" by Martin C. Brown, ISBN 0201734885, Addison Wesley, 320 pages (2002).
"Are you a Perl programmer who would like to be able to programme in Python? Brimming with a wealth of practical examples and resources this book will show you how." [http://www.pearsonptg.com/book_detail/0,3771,0201734885,00.html More information].
Software
[http://www.crazy-compilers.com/ bridgekeeper] A Perl to Python source code converter
See also MovingToPythonFromOtherLanguages.